/*
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
 */
package org.jsmpp.session;

import org.jsmpp.extra.SessionState;
import org.jsmpp.session.state.SMPPServerSessionState;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * @author uudashr
 * 
 */
public class SMPPServerSessionContext extends AbstractSessionContext {
	private static final Logger logger = LoggerFactory
			.getLogger(AbstractSessionContext.class);
	private SMPPServerSessionState stateProcessor = SMPPServerSessionState.CLOSED;
	private final SMPPServerSession smppServerSession;

	public SMPPServerSessionContext(SMPPServerSession smppServerSession) {
		this.smppServerSession = smppServerSession;
	}

	@Override
	protected void changeState(SessionState newState) {
		if (!stateProcessor.getSessionState().equals(newState)) {
			final SessionState oldState = stateProcessor.getSessionState();

			// change the session state processor
			if (newState == SessionState.OPEN) {
				stateProcessor = SMPPServerSessionState.OPEN;
			} else if (newState == SessionState.BOUND_RX) {
				stateProcessor = SMPPServerSessionState.BOUND_RX;
			} else if (newState == SessionState.BOUND_TX) {
				stateProcessor = SMPPServerSessionState.BOUND_TX;
			} else if (newState == SessionState.BOUND_TRX) {
				stateProcessor = SMPPServerSessionState.BOUND_TRX;
			} else if (newState == SessionState.UNBOUND) {
				stateProcessor = SMPPServerSessionState.UNBOUND;
			} else if (newState == SessionState.CLOSED) {
				stateProcessor = SMPPServerSessionState.CLOSED;
			}
			logger.info(String.format("StateChanged   %s=> %s", oldState,
					newState));
			fireStateChanged(newState, oldState, smppServerSession);
		}
	}

	public synchronized SMPPServerSessionState getStateProcessor() {
		return stateProcessor;
	}

	public synchronized SessionState getSessionState() {
		return stateProcessor.getSessionState();
	}
}
